Apple has released iOS 6.1.3 firmware for iPhone, iPad and iPod Touch. The iOS 6.1.3 has a build number 10B329. It not only fixes the lock screen vulnerability, the exploits used in evasi0n jailbreak has also been reportedly patched. The 6.1.3 firmware release notes also mention improvements to the Maps app for users in Japan. Hit the jump to learn more and for direct download links to iOS 6.1.3 firmware.
According to release notes accompanying the 18.2MB download, this update contains the following improvements and bug fixes:

Fixes a bug that could allow someone to bypass the passcode and access the Phone app

Improvements to Maps in Japan

So Apple has finally fixed the vulnerability, first discovered a month ago, which allows people to access the password protect iPhone, iPad or iPod touch and get to your personal information on the device.Note for jailbreakers: Some of the vulnerabilities required to jailbreak iOS devices have in fact been patched in iOS 6.1.3. So jailbreakers are advised to hold off from updating to iOS 6.1.3 until the evad3rs confirms evasi0n compatibility with 6.1.3.

iOS 6.1.3 update is available via both iTunes and iOS software update panel.

Updates:

What part of ” Some of the vulnerabilities required to jailbreak iOS devices have in fact been patched in iOS 6.1.3. So jailbreakers are advised to hold off from updating to iOS 6.1.3 until the evad3rs confirms evasi0n compatibility with 6.1.3.” isn’t exactly clear? Jesus….

You can jailbreak tether iPhone 4 6.1.3 with the new redsn0w just point it
on 6.0 and so on just tether jailbreak , just trick redsn0w thing that you are
on 6.0 when your have 6.1.3 iPhone 4 and under….

iPhone 4 6.1.3 can be jail broken with the lates redsn0w
Download iOS 6.0 and trick redsn0w that you are on
6.0 and don’t forget to select extra and manual iOS 6.0
Firmware redsn0w will recognize your firmware ,
And follow the rest like the dfu mode step and
To finish is tether jailbreak , have fun……